[kol-uh m] /ˈkɒl əm/
any columnlike object, mass, or formation:
a column of smoke.
a vertical row or list:
Add this column of figures.
a vertical arrangement on a page of horizontal lines of type, usually typographically justified:
There are three columns on this page.
a regular feature or series of articles in a newspaper, magazine, or the like, usually having a readily identifiable heading and the byline of the writer or editor, that reports or comments upon a particular field of interest, as politics, theater, or etiquette, or which may contain letters from readers, answers to readers’ queries, etc.
a long, narrow formation of troops in which there are more members in line in the direction of movement than at right angles to the direction (distinguished from 1 (def 35.)).
a formation of ships in single file.
Botany. a columnlike structure in an orchid flower, composed of the united stamens and style.
an upright post or pillar usually having a cylindrical shaft, a base, and a capital
a row, line, or file, as of people in a queue
(military) a narrow formation in which individuals or units follow one behind the other
a vertical array of numbers or mathematical terms
(botany) a long structure in a flower, such as that of an orchid, consisting of the united stamens and style
(anatomy, zoology) any elongated structure, such as a tract of grey matter in the spinal cord or the stalk of a crinoid
mid-15c., “vertical division of a page,” also “a pillar, post,” from Old French colombe (12c., Modern French colonne “column, pillar”), from Latin columna “pillar,” collateral form of columen “top, summit,” from PIE root *kel- “to project” (see hill). Sense of “matter written for a newspaper” dates from 1785.
column col·umn (kŏl’əm)
Any of various tubular or pillarlike supporting structures in the body, such as the spinal column, each generally having a single tissue origin and function.
1. A named slice through a database table that includes the same field of each row. For example, a telephone directory table might have a row for each person with a name column and a telephone number column.
2. A line of memory cells in a dynamic random-access memory, that is selected by a particular column address.
- Column address strobe
hardware (CAS) A signal sent from a processor (or memory controller) to a dynamic random-access memory (DRAM) (qv) circuit to indicate that the column address lines are valid. (1996-10-17)
[kuh-luhm-ner] /kəˈlʌm nər/ adjective 1. shaped like a . 2. characterized by : columnar architecture. 3. Also, columnal. printed, arranged, etc., in : data in columnar form. adj. 1728, from Late Latin columnaris “rising in the form of a pillar,” from columna “column” (see column).
noun, Biology. 1. epithelium consisting of one or more layers of elongated cells of cylindrical or prismatic shape. columnar epithelium n. Epithelium made up of cells that are taller than they are wide and that form a single layer.
- Columnar cell
columnar cell co·lum·nar cell (kə-lŭm’nər) n. A cell, usually epithelial, that is tall, narrow, and somewhat cylindrical.